Apple has released macOS Sequoia 15.7.3 with important security fixes. Here’s what to know before installing the update.

Thanks to our old friend Ken Gruberman, who wrote on TidBITS Talk in response to “When Should You Upgrade to Apple’s OS 26 Releases?” (15 September 2025): If ...

Apple cancelled its next-generation MacOS "Copland." Copland, which was to have been "MacOS 8," was replaced with NeXTstep, ...